Izana Kurokawa is a major antagonist in the manga and anime series Tokyo Revengers. He is the former leader of the Tenjiku gang and is known for his cunning intelligence, ruthlessness, and ambition. Izana is a complex character with a tragic past, driving his desire for power and recognition. As a key figure in the Tenjiku Arc, he poses a formidable threat to the main characters, especially Takemichi and the Tokyo Manji Gang. His actions and motivations significantly impact the storyline and character development.